On Christmas Eve, Jack and Annie's tree house transports them to King Arthur's castle at Camelot, where they undertake a quest to the castle of the Otherworld.
Genres
- Juvenile fiction
- Fiction
- Magic
- Brothers and sisters
- Tree houses
- Christmas
- Time travel
- Camelot (Legendary place)
- New York Times bestseller
- nyt:series_books=2007-03-10
- Siblings
- Children's fiction
- Time travel, fiction
- Magic, fiction
- Christmas, fiction
- Tree houses, fiction
- Brothers and sisters, fiction
- camelot
- Christmas stories
- Space and time
- Hermanos
- Cabañas en los árboles
- Magia
- Spanish language materials
- Ficción juvenil
- Viaje a través del tiempo
- Ying yu
- Duan pian xiao shuo
- Dui zhao du wu
- Er tong wen xue
- Han yu
- Siblings, fiction
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About the author
